body{
    padding: 0px;
    margin: 0px;
    color: black;
}
a{
    text-decoration: none;
    color: black;
}
ul{
    list-style-type: none;
}
a:hover{
    color: orangered;
}
/*
第一大块
*/
.site-topbar{
    height: 40px;
    width: 100%;
    background-color:#333333 ;
    margin-left: auto;
    margin-right: auto;
}
/*
最顶端左侧导航栏部分（1.1）
*/
.topbar-nav{
    float: left;
    width: 70%;
}
.topbar-nav div{
    width: 78px;
    float:left;
    border-right: 1px white solid;
    text-align: center;
    font-size: 11px;
    margin-top: 14px;
}
.topbar-nav div a{
    color: #B0B0B0;
}
.topbar-nav div a:hover{
    color: white;
}
.topbar-nav div:last-child{
    /*将导航栏最后一个块的右边框去掉*/
    border-right: 0px;
}
/*
最顶端右侧部分（1.2）
*/
.topbar-load{
    float: left;
    width: 25%;
    padding-left: 5%;
}
.topbar-load div{
    width: 90px;
    float:left;
    border-right: 1px white solid;
    text-align: center;
    font-size: 14px;
    margin-top: 12px;
}
.topbar-load div a{
    text-decoration: none;
    color: #B0B0B0;
}
.topbar-load div a:hover{
    color: white;
}
.topbar-load div:last-child{

    /*将导航栏最后一个块的右边框去掉*/
    border-right: 0px;
    text-align: center;
}
/*
第二大块（2）
*/
.site-header{
    height: 100px;
    /*background-color:rosybrown;*/
    margin: auto;
    width: 90%;
}
.site-header .header-logo {
    position: absolute;
    z-index: 2;
    float: left;
    width: 62px;
    margin-top: 22px;
    /*margin-left: 70px;*/
}
.site-header .header-logo .logo{
    position: relative;
    display: block;
    width: 55px;
    height: 55px;
    background: url(../img/logo.png) no-repeat 50% 50%;
}
.site-header .header-nav {
    height: 100px;
    float: left;
    width: 1100px;
    background-color: white;
}
.site-header .nav-category {
    float: left;
    width: 50px;
    height: 88px;
}
.site-header .nav-list {
    float: left;
    width: 950px;
    height: 88px;
    list-style-type: none;
    font-size: 16px;
    padding-top: 30px;
}
.site-header .nav-item {
    float: left;
    width: 100px;
    text-align: center;
}
.site-header .nav-item a:hover{
    color: orangered;
}
.nav-item-one{
    width: 1300px;
    height: 300px;
    left: 80px;
    padding-inline-start: 0px;
    /*将下拉菜单设为绝对定位,这样能分层，不会影响到其他部分*/
    position: absolute;
    /*使其漂浮在轮播的上方*/
    z-index: 1;
    /*设置各种属性的过渡效果*/
    /*这两种都可以适配浏览器，transition: all 3s;*/
    -webkit-transition: all 3s;
    display: none;
}
.nav-item-one li{
    padding-top: 20px;
    height: 204px;
    width: 201px;
    background-color: white;
}
.nav-item-one li .title{
    width: 180px;
    height: 20px;
}
.nav-item-one li .price{
    width: 180px;
    height: 20px;
}
.nav-item:hover .nav-item-one{
    display: block;
}
.nav-item-one li{
    float: left;
}
.site-header .header-search{
    float: right;
    height: 100px;
    width: 220px;
}
.search-form {
    /* 相对定位使form表单位于中间位置*/
    position: relative;
    top: 20px;
}
.site-header .search-form .search-text{
    height: 50px;
    width:150px ;
}
.site-header .search-form .search-logo{
    height: 50px;
    width: 60px;
}
/*第三大块*/
.sit-buy{
    width: 90%;
    height: 50px;
    /*background-color:grey;*/
    margin: auto;
}
.buy-left{
    float: left;
    /*background-color: #2aabd2;*/
    width: 300px;
    height:50px ;
    text-align: center;
}
.buy-left table{
    margin-top: 10px;
}
.buy-left td{
    width: 70px;
    font-size: 15px;
    border-right: 1px solid black;
}
.buy-left td:last-child{
    border-right: 0px;
    width: 120px;
}
.buy-right{
    float: right;
    /*background-color: #2aabd2;*/
    width: 400px;
    height:50px ;
    text-align: center;
}
.buy-right table{
    margin-top: 10px;
}
.buy-right td{
    width: 70px;
    font-size: 15px;
    border-right: 1px solid black;
}
.buy-right td:last-child{
    border-right: 0px;
    background-color: orangered;
}
.buy-now{
    color: white;
    font-size: 12px;
    margin-top: 0px;
}
.buy-now:hover{
    color: black;
}
/*第四大块*/
.site-body{
    /*background-color:rosybrown;*/
    margin: auto;
    width: 100%;
    height: 1300px;
    /*background-color: #ec971f;*/
    position: relative;
}
/*轮播*/
#slide{
    margin: 0 auto;
    height: 760px;
    width: 1500px;
    /*相对定位*/
    position: relative;
    overflow: hidden;
}
/*图片列表*/
.pic-list{
    width: 4500px;
    height: 760px;
    /*绝对定位*/
    position: absolute;
    /*z-index: -8;*/
    top: 0;
    left: 0;
    padding-inline-start: 0px;
}
/*图片往左浮*/
.pic-list li{
    float: left;
}
/*图片大小*/
.pic-list li img{
    height: 760px;
    width: 1500px;
}
/*左右箭头*/
.btn{
    /*透明级别（0时为完全透明）*/
    opacity: 0;
    /*绝对定位*/
    position: absolute;
    /*左右按钮的位置及大小*/
    top: 50%;
    height: 50px;
    width: 50px;
    /*border-radius: 5px;*/
    /*光标呈现为指示链接的指针（一只手）*/
    cursor: pointer;
    user-select: none;
    background: white;
    font-size: 25px;
    line-height: 50px;
    text-align: center;
    transition: all 1s;
    transform: translateY(-50%);
}
.prev{
    left: 0;
}
/*让右边的箭头自动移动到右边界*/
.next{
    right: 0;
}
/*索引圆点*/
.icon-list{
    /*绝对定位*/
    position: absolute;
    bottom: 10px;
    left: 50%;
    transform: translateX(-50%);
}
.icon-list li{
    float: left;
    margin: 0 9px;
    height: 15px;
    width: 15px;
    border-radius: 50%;
    background: #ccc;
    cursor: pointer;
}
/*图片移动到该索引所代表的位置上时的颜色*/
.icon-list .active{
    background: #fff;
}
.info-one{
    width: 70%;
    height: 150px;
    /*background-color: #2aabd2;*/
    margin: auto;
}
.one{
    height: 75px;
    /*background-color:#ec971f;*/
}
.one-div{
    float: left;
    width: 200px;
    text-align: center;
}
.one-up{
    font-size: 15px;
}
.one-up h4{
    margin-top: 10px;
    margin-bottom: 8px;
}
.one-down{
    font-size: 12px;
}
.one-img{
    position: absolute;
    z-index: 1;
}
.one-word{
    /*background-color: #ec971f;*/
    width: 500px;
    height: 250px;
    position: absolute;
    z-index: 3;
    margin-left: 35%;
    margin-top: 5%;
    color: white;
    font-size: 20px;
}
/*footer部分*/
.site-footer{
    width: 1226px;
    margin-right: auto;
    margin-left: auto;
    height: 250px;
    /*background-color: #2e6da4;*/
}
.footer-service {
    padding: 27px 0;
    border-bottom: 1px solid #e0e0e0;
}
.list-service li {
    float: left;
    width: 19.8%;
    height: 25px;
    border-left: 1px solid #e0e0e0;
    font-size: 16px;
    line-height: 25px;
    text-align: center;
}
.site-footer .list-service li:first-child {
    border-left: 0;
}
.footer-links {
    padding: 40px 0;
}
.col-links {
    float: left;
    width: 160px;
    height: 112px;
    margin: 0;
}
.col-links dt {
    margin: -1px 0 26px;
    font-size: 14px;
    line-height: 1.25;
    color: #424242;
}
.col-links dd {
    margin: 10px 0 0;
    font-size: 12px;
}
.col-contact {
    float: right;
    width: 251px;
    height: 112px;
    border-left: 1px solid #e0e0e0;
    text-align: center;
    color: #616161;
}
.phone {
    margin: 0 0 5px;
    font-size: 20px;
    line-height: 1;
    color: #ff6700;
    /*margin-top: 0px;*/
}
.col-contact p {
    margin: 0 0 16px;
    font-size: 12px;
}
.btn-line-primary {
    border-color: #ff6700;
    background: #fff;
    color: #ff6700;
    width: 118px;
    height: 28px;
    font-size: 15px;
    line-height: 28px;
}
/*site-info部分*/
.site-info {
    padding: 30px 0;
    font-size: 12px;
    background: #fafafa;
    /*background-color: #2e6da4;*/
}
.info-container {
    position: relative;
    width: 1226px;
    height: 133px;
    margin-right: auto;
    margin-left: auto;
    background-color: white;
}
.info-container .header-logo{
    float: left;
    width: 57px;
    height: 100px;
    /*background-color: palegreen;*/
}

.info-container .header-logo .logo{
    position: relative;
    /*//?????????????????????/*/
    display: block;
    width: 55px;
    height: 55px;
    background: url(../img/logo.png) no-repeat 50% 50%;
}
.info-text{
    float: left;
}
.first-t td{
    border-right: 1px solid grey;
    padding-left: 5px;
    padding-right: 9px;
}
.first-t td a:hover{
    color: orangered;
}
.two-t td{
    padding-left: 5px;
    padding-right: 9px;
    color: #2aabd2;
}
.two-t td a:link{
    color: #2aabd2;
}
.two-t td a:hover{
    color: orangered;
}
.info-links{
    position: relative;
    width: 1226px;
    height: 50px;
    margin-right: auto;
    margin-left: auto;
    /*background-color: aquamarine;*/
    text-align: center;
    font-size: 15px;
    color: grey;
}
.info-links p{
    margin-top: 0px;
}
